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Preparation of a multiple antigen glycopeptide (MAG) carrying the Tn antigen. A possible approach to a synthetic carbohydrate vaccine.

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Bay, S. | Lo-Man, R. | Osinaga, E. | Nakada, H. | Leclerc, Céline | Cantacuzène, D.

Edité par CCSD ; Wiley-Blackwell -

International audience. The glycosidic tumor-associated Tn antigen was conjugated to a lysine backbone containing a helper T-cell epitope in order to activate immune responses specific for some types of carcinomas. As opposed to traditional protein conjugates, this multiple antigen glycopeptide (MAG) offers the advantages of the lack of immunogenicity of the polylysine core and of accurate chemical definition. The MAG construction was assembled by conventional solid-phase peptide synthesis. The analysis of its antigenicity demonstrated that the Tn antigen on the MAG is recognized by Tn-specific monoclonal antibodies.

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